From: Thierry Reding <treding@xxxxxxxxxx> The native timers IP block found on NVIDIA Tegra SoCs implements a watchdog timer that can be used to recover from system hangs. Add and enable the device tree node on Tegra194. Signed-off-by: Thierry Reding <treding@xxxxxxxxxx> Signed-off-by: Kartik <kkartik@xxxxxxxxxx> --- arch/arm64/boot/dts/nvidia/tegra194.dtsi | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi index 9566c6388ed9..4b37aec69448 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi @@ -698,6 +698,22 @@ }; }; + timer@3010000 { + compatible = "nvidia,tegra186-timer"; + reg = <0x03010000 0x000e0000>; + interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>; + status = "okay"; + }; + uarta: serial@3100000 { compatible = "nvidia,tegra194-uart", "nvidia,tegra20-uart"; reg = <0x03100000 0x40>; -- 2.17.1